PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

91-134Gear Cluster

Lockheed Martin Corporation Div Rms - Mitchel Field · NSN 3020-00-621-6976 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-621-6976 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-621-6976. Primary manufacturer part number: 91-134.
Features
  • Gear Cluster — FSC 3020
  • Bore Style: PLAIN BOTH ENDSPLAIN BOTH ENDS
  • 1 verified cross-reference
  • Primary manufacturer: Lockheed Martin Corporation Div Rms - Mitchel Field
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Gear Cluster, cataloged under National Stock Number 3020-00-621-6976, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-621-6976
Primary Part Number91-134
Item NameGear Cluster
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Rms - Mitchel Field
StatusACTIVE
Bore StylePLAIN BOTH ENDSPLAIN BOTH ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5950-00-296-131050MM241 INTERCHANGEABLE
Reactor
Keysight Technologies Inc
7045-01-284-343591134 INTERCHANGEABLE
File,disk,flexible
Computer Accessories Corp
4920-01-296-154191134 INTERCHANGEABLE
Test Program Set
Textron Systems Corporation Dba Textron Systems Corp
Cross-Reference Index
Part NumberManufacturer
91-134 PRIMARY Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
Related Parts
5950-00-296-1310INTERCHANGEABLE
REACTOR
50MM241
7045-01-284-3435INTERCHANGEABLE
FILE,DISK,FLEXIBLE
91134
4920-01-296-1541INTERCHANGEABLE
TEST PROGRAM SET
91134

Frequently Asked Questions

What is NSN 3020-00-621-6976?

NSN 3020-00-621-6976 is a Gear Cluster, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-621-6976?

NSN 3020-00-621-6976 has 1 cross-referenced part number: 91-134 (Lockheed Martin Corporation Div Rms - Mitchel Field).

What NSN replaces 3020-00-621-6976?

There are 3 known substitutes for 3020-00-621-6976: 5950-00-296-1310, 7045-01-284-3435, 4920-01-296-1541. Verify interchangeability with system specifications before substitution.

What are the specifications of 91-134?

Key specifications for 91-134: Bore Style: PLAIN BOTH ENDSPLAIN BOTH ENDS. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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